Overview of a Simple App

Let's look at the compose file of an app we will deploy using the Docker stack.

Sample app

We’ll be using the popular AtSea Shop demo app. It lives on GitHub and is open-sourced under the Apache 2.0 license.

We’re using this app because it’s moderately complicated without being too big to list and describe in a course. Beneath the covers, it’s a cloud-native microservices app that leverages certificates and secrets. The high-level application architecture is shown below.

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